Finding the Third Proportional to 89,429.50 and 186,203

Step by Step Solution

1. Step 1: Write the proportion equation
   89,429.50 : 186,203 = 186,203 : x
2. Step 2: Convert to fraction form
   89,429.50/186,203 = 186,203/x
3. Step 3: Cross multiply
   89,429.50x = 186,203 × 186,203
4. Step 4: Simplify right side
   89,429.50x = 34,671,557,209
5. Step 5: Solve for x
   x = 34,671,557,209/89,429.50
6. Step 6: Final answer
   x = 387,697.09